Free Teeth Whitening Question and Answers

Question 1

Why do whitening strips lack brushing gels' effectiveness?

Accepted Answer

Strips don't whiten in the grooves of your teeth

Answer

Gels are less expensive

Answer

Gels use a more powerful bleach

Answer

None of the above

Question 2

True or False: You shouldn't whiten your teeth while pregnant.

Accepted Answer

True

Answer

False

Question 3

What kind of whitening agent is most frequently used in DIY kits?

Accepted Answer

Peroxide

Answer

Salicylic acid

Answer

Chloroxine

Answer

None of the above

Question 4

Why is using whitening solutions on crowns and tooth-colored fillings not a good idea?

Accepted Answer

Fillings and crowns are matched to the color of your teeth, and they can't be whitened

Answer

The chemicals used dissolve crowns and fillings

Answer

It could weaken the crowned teeth

Answer

None of the above

Question 5

What types of stains whitening works best on?

Accepted Answer

Yellow discoloration

Answer

Brown stains

Answer

Cigarette stains

Answer

None of the above

Question 6

How long do gel and strip whitening effects last?

Accepted Answer

A few months

Answer

A few weeks

Answer

About a year

Answer

None of the above

Question 7

What might whitening your teeth have as a side effect?

Accepted Answer

Tooth sensitivity

Answer

Loosens teeth

Answer

Darkening of teeth

Answer

None of the above